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In a compound microscope cross wires are...

In a compound microscope cross wires are fixed at the point

A

Where the image is formed by the objective

B

Where the image is formed by the eye piece

C

Where the focal point of the objective lies

D

Where the focal point of the eye piece lies

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The correct Answer is:
A
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AAKASH SERIES-RAY OPTICS -EXERCISE I
  1. Rising and setting of the sum appears to be reddish because of

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  2. The objective of a compound microscope is essentially

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  3. In a compound microscope cross wires are fixed at the point

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  4. In a compound microscope, the intermediate image is

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  5. The angular magnification of a simple microscope can be increased by i...

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  6. The separation between two microscope particles is measured PA and PB ...

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  7. The size of an object as percieved by an eye depends primarily on

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  8. The muscles of a normal eye are least strained when the eye is focusse...

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  9. A normal eye is not able to see objects closer than 25cm because

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  10. When objects at different distances are seen by the eye which of the f...

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  11. The distance of the eye lens from the retina is x. For a normal eye, t...

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  12. An object is placed at a distance u from a simple microscope of focal ...

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  13. A man is looking at a small object placed at his near point. Without a...

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  14. The maximum focal length of the eye lens of a person is greater than i...

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  15. The magnifying power of a telescope can be increased by

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  16. A photograph the magnifying power of telescope (f0= focal length of th...

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  17. To increase the magnifying power of telescope (f0= focal length of the...

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  18. IF the telescope is reversed i.e., seen from the objective side

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  19. In Gallilean telescope, the final image formed is

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  20. An astronomical telescope has a large aperture to

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